Thermodynamical Quantities of Chalcogenide Dimers (O2, S2, Se2, and Te2) from Spectroscopic Data | Zendy

Shipra Tiwari | Zendy; Pavitra Tandon | Zendy; K. N. Uttam | Zendy

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Thermodynamical Quantities of Chalcogenide Dimers (O₂, S₂, Se₂, and Te₂) from Spectroscopic Data

Author(s) -

Shipra Tiwari,

Pavitra Tandon,

K. N. Uttam

Publication year - 2012

Publication title -

journal of spectroscopy

Language(s) - English

Resource type - Journals

eISSN - 2314-4920

pISSN - 2314-4939

DOI - 10.1155/2013/956581

Subject(s) - diatomic molecule , anharmonicity , chalcogenide , molecule , range (aeronautics) , atmospheric temperature range , chemistry , thermodynamics , atomic physics , physics , materials science , condensed matter physics , quantum mechanics , organic chemistry , composite material

Attempts have been made to calculate the thermodynamical quantities of diatomic molecules such as O2, S2, Se2, and Te2 from spectroscopic data with the help of partition function theory. The results have been calculated in the temperature range 100–3000°C. In order to increase accuracy of the calculated quantities, we have incorporated nonrigidity, anharmonicity, and stretching effects of molecules. The variation of these quantities with temperature have been studied and explained in terms of various modes of molecular motions

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